Abstract:Gel Injection Adjustable Keratoplasty (GIAK) is a refractive surgery procedure which uses an ocular ring implant made of a polyethylene oxide hydrogel to cause a refractive change in the cornea. Unlike laser photo refractive keratectomy (PRK), GIAK does not intertere with the central cornea because the ring lies around the optical axis.Thus, vision can be assessed immediately after surgery. Our in vivo study was designed to quantify GIAk's effects on tissues, the biocompatibility of the polymer and in the proc… Show more
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